uxcell 50mm Long 1/4-inch Shank 4.5mm Spanner Magnetic Screwdriver Bit 10 Pcs Product Name : Spanner Screwdriver Bits;Bit Width : 4.5mm/ 0.18" Slot Width : 1.8mm/ 0.07";Hex Shank Size : 6.3mm/ 1/4" Each Total Length : 50mm/ 2";Color : Gray Material : Metal;Total Weight : 100g Package Content : 10 x Spanner Screwdriver Bits